An enhanced adaptive FEC mechanism for video delivery over wireless networks

Cheng Han Lin, Chih Heng Ke, Ce-Kuen Shieh, Naveen K. Chilamkurti

Research output: Chapter in Book/Report/Conference proceedingConference contribution

31 Citations (Scopus)

Abstract

This paper proposes an Enhanced Adaptive FEC (EAFEC) algorithm implemented in the Access Point (AP) to improve video delivery over wireless networks. Unlike traditional static FEC mechanisms, which add redundant data to transmission data in a fixed number, the number of redundant FEC data for the EAFEC mechanism is determined by the AP, which is based on both network traffic load and wireless channel state. The algorithm is based on two factors. One of them is the queue length in the access point, indicating network traffic load; the second factor is packet retransmission times, indicating wireless channel state. EAFEC usage would tune FEC data number generated in such a way that it wouldn 't unnecessarily add more traffic to network in already congested scenario. Our work shows that the EAFEC algorithm improves system performance by dynamically tuning FEC strength to the current loss in wireless channel. We use NS-2 simulation experiments to prove our algorithm.

Original languageEnglish
Title of host publicationInternational Conference on Networking and Services 2006, ICNS'06
DOIs
Publication statusPublished - 2006
EventInternational Conference on Networking and Services 2006, ICNS'06 - Silicon Valley, CA, United States
Duration: 2006 Jul 162006 Jul 18

Other

OtherInternational Conference on Networking and Services 2006, ICNS'06
CountryUnited States
CitySilicon Valley, CA
Period06-07-1606-07-18

Fingerprint

Wireless networks
Adaptive algorithms
Telecommunication traffic
Data communication systems
Tuning
Experiments

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Lin, C. H., Ke, C. H., Shieh, C-K., & Chilamkurti, N. K. (2006). An enhanced adaptive FEC mechanism for video delivery over wireless networks. In International Conference on Networking and Services 2006, ICNS'06 [1690576] https://doi.org/10.1109/ICNS.2006.123
Lin, Cheng Han ; Ke, Chih Heng ; Shieh, Ce-Kuen ; Chilamkurti, Naveen K. / An enhanced adaptive FEC mechanism for video delivery over wireless networks. International Conference on Networking and Services 2006, ICNS'06. 2006.
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Lin, CH, Ke, CH, Shieh, C-K & Chilamkurti, NK 2006, An enhanced adaptive FEC mechanism for video delivery over wireless networks. in International Conference on Networking and Services 2006, ICNS'06., 1690576, International Conference on Networking and Services 2006, ICNS'06, Silicon Valley, CA, United States, 06-07-16. https://doi.org/10.1109/ICNS.2006.123

An enhanced adaptive FEC mechanism for video delivery over wireless networks. / Lin, Cheng Han; Ke, Chih Heng; Shieh, Ce-Kuen; Chilamkurti, Naveen K.

International Conference on Networking and Services 2006, ICNS'06. 2006. 1690576.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - This paper proposes an Enhanced Adaptive FEC (EAFEC) algorithm implemented in the Access Point (AP) to improve video delivery over wireless networks. Unlike traditional static FEC mechanisms, which add redundant data to transmission data in a fixed number, the number of redundant FEC data for the EAFEC mechanism is determined by the AP, which is based on both network traffic load and wireless channel state. The algorithm is based on two factors. One of them is the queue length in the access point, indicating network traffic load; the second factor is packet retransmission times, indicating wireless channel state. EAFEC usage would tune FEC data number generated in such a way that it wouldn 't unnecessarily add more traffic to network in already congested scenario. Our work shows that the EAFEC algorithm improves system performance by dynamically tuning FEC strength to the current loss in wireless channel. We use NS-2 simulation experiments to prove our algorithm.

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Lin CH, Ke CH, Shieh C-K, Chilamkurti NK. An enhanced adaptive FEC mechanism for video delivery over wireless networks. In International Conference on Networking and Services 2006, ICNS'06. 2006. 1690576 https://doi.org/10.1109/ICNS.2006.123